Magnifying and projecting apparatus



S. FIGUEROA.

MAGNIFYING AND PROJECTING APPARATUS. APPLICATION FILED SEPT. 20, 1917.

1,315,105. Patented Sept. 2, 1919.

4 SHEETS-SHEET I s. FIGUIERYOA.

MAGNIFYING AND PROJECTING APPARATUS.

APPLICATION FILED SEPT-20.1917.

1,315,105. Patentedsept. 2,1919.

4 SHEETSSHEET 3.

Siey/r/q F/yaer0a avwcmtoz S. FIGUEROA.

MAGNIFYING AND PROJECTING APPARATUS.

' APPLICATION FILED SEPLZO. 1911. I -1,315,105. PatentedSept. 2,1919.

4 SHEETS-SHEET 4.

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O 40 Q o 38 $69 mute z ,SIEGFRIED FIGUEROA, 0F MERIDA, MEXICO.

MAGNIFYING AND PROJECTING APPARATUS.

Specification of Letters Patent.

Patented Sept. 2, 1919.

Application filed September 20, 1917. Serial No. 192,379.

To all whom it may concern:

Be it known that I, SIEGFRIED FIGUERoA, a citizen of Mexico. residing at Merida, State of Yucatan, Mexico, have invented certain new and useful Improvements in Magnifying and Projecting Apparatus, of which the following is a specification.

This invention relates to new and useful improvements'in magnifying and projecting apparatus, and the primary object of the invention is to provide a device of this character, adapted to magnify an image, and to project the same, so that it may be either thrown on a screen, 011i a sensitized plate, wherein the device is used as a camera, or projected downwardly so that the image may be traced, for the purpose of which is obvious. This type of apparatus is especially adapted for use in laboratory work, for photographing, projecting or tracing small objects has been found especially useful in medical schools, to fully illustrate minute particles, tissues, 'etc.

Another object of the invention is to provide a magnifying and projecting apparatus of this character, which includes the novel arrangement of mirrors, in dark chambers, in which the magnified image is directed,

whereby the image may reflected either hori' zontally or vertically as desired.

A still further object of the invention is to provide a device of this character includ-.

ing a magnifying device, and a dark chamber having a pair of outlets, one of said outlets being disposed in a horizontal plane, and the other in a vertical plane, a pair of cooperative reflecting. mirrors being disposed in said dark chamber, one of the mirrors being movable, whereby the image may be reflected either in a horizontal or vertical plane. One of the mirrors will project the image upon the support, whereby the same may be easily traced, and the image when reflected in a Vertical plane through the vertical outlet, is easily used for projecting, for photographing purposes.

A further object of the invention is to provide a magnifying and projecting apparatus of this character, which includes a support, and a casing with. the reflecting apparatus therein, said support having a vertically adjustable portion, whereby the magnifying device, which is preferably a microscope may be easily adjusted within the casing.

A still further object of the invention is to provide a.- device of this character which is easily and simply constructed, inexpensive to manufacture, and one which will be very eflicient in operation.

With these and numerous other objects in view, my invention consists of the novel features of construction, combination, and arrangement of parts, which will be herein referred toand more particularly pointed out in the specification and claims.

In the accompanying drawings Figure l is a perspective view of the apparatus;

Fig. 2 is a. vertical section through the same; i

Fig. 3 is a detail vertical section showing one of the reflecting mirrors and a manner in which it is adjusted;

Fig. 4: is a detail perspective View of the other reflecting mirror removed, and the operating means therefor;

Fig. 5 is a vertical section through a portion of the support, showing the removable part thereof for adjusting the magnifying device; and

Fig. 6 is a bottom plan View of the part shown in Fig. 5.

In describing my invention, I shall refer to the drawings in which similar reference characters designate corresponding parts throughout the several views.

The numeral 1 designates a support for the device, which is formed in the shape of an ordinary table, of any desired height, and of the most desirable material. The support or table 1 is provided with a flat top, having a vertically adjustable portion 2 therein adjacent one end, which is movable in the manner to be hereinafter more fully described. Positioned on the flat top of the table 011 support 1. is the magnifying and projecting apparatus, which includes a casing 3, having a chamber 4 having 1t-S l0W6I' end resting on the table over a portion of the movable part 2 thereof, and adapted to receive therein a microscope 5 mounted on abase 6, said base being positioned on the movable part 2. The chamber 4 which receives the microscope 5 cornmunicateswith a, horizontally extending dark chamber The upper end of the microscope 5, is pro: vided with a pair of double "bellows 8, that municating. means between the chamber 4 and dark chamber by sprin fasteners 9, as

clearly shown in Fig. 2 of t e drawings.

The microscope receiving lmmber 4, is

are secured into engagement with the com- I provided at one end with a hinged closure 10, that is opened so that the microscope may be easily removed, and a, new image placed therein when desired. The manner of removing and replacing the microscope, will be hereinafter more fully described. One side of the chamber 4, is provided with an opening 11, to which is attached the source of light which is obvious in a device of this character. To the opposite side of the chan'rber 4 is a small opening 12 provided with a hinged door closure 13 whereby access may be had to the microscope, to adjust the same.

The dark chamber 7, that communicates with the magnifying device receiving chamber 4, extends horizontally, and is provided with a pair of outlet openings disposed adjacent the opposite end, said openings extending horizontally, and vertically, and being designated by the numerals 14 and 15. Positioned within the chamber 7, adjacent the upper end of the magnifying device, is an angularly disposed mirror 16, that is horizontally adjustable by the same being supported in a frame 17 having a pair of loops 18 on its upper edge, that are engaged with rods 19 secured to the inner surface of the dark chamber 7. The frame 17 is pro vided with a rack 20 adapted for (:oiiperative engagement with a pinion 21 mounted on a shaft 22 extending through one wall of the chamber 7 and rotatable by means of a knob 23 secured to said projecting end.

I By this means, it is obvious that the mirror 16 is adjustable horizontally, to center the reflected image thereon.

An additional cotiperative angularly disposed mirror is provided in the dark chamher 7 adjacent the opposite end of the same, said mirror being designated by the numeral 24, and having one of its edges hinged as shown at 25 to the lower outer corner of the dark chamber 7. This mirror 24 is cooperatively related to a hinged closure 26 for the vertically disposed outlet 15 of the chamber, by means of an arm 27 projecting from the inner edge of said closure, which has an angular extending rod 28 projecting therefrom, having loosely mounted thereon a bearing 29 adjacent its extremity, which has an integral connecting rod 30 extending therefrom, and having its outer extremity pivotally connected with a projecting arm 31, on one side edge of the mirror'24. This connecting mechanism is clearly shown in Fig. 40f the drawings, and it is obvious that when the closure 26 is opened, and secured by the fastening member 32 to the inner wall of the chamber 4, as clearly shown in Fig. 2 of the drawings, the mirror 24 will be disposed angularly, and cotiperatively related with the mirror 16. W hen in this position, the image will be reflected downwardly through the vertical outlet 15.

Upon moving the closure 26, over the opening 15, the connection between the closure and hinged mirror 24, will swing the mirror 24 down parallel with the closure 26, and hence out of the path in which the image is reflected from the mirror 16. This will allow the image to be reflected through the horizontal opening 14.

When the image is reflected downwardly through the outlet 15, to the upper surface of the support or table 1, the same may be used for tracing purposes, by means of a hood 33 that is detachably connected with one side of the casing 3, and is provided with a sight opening 34, and an arm inlet opening 35. This hood will keep out the light, and the observer can clearly see the image through the sight opening 34. The arm is inserted through the inlet 35, and hence the tracing of the reflected image, will be an easy matter.

To the outlet opening 14, is adapted to be secured a camera 36, of the adjustable bellows type, or if desired a projecting apparatus, may be mounted thereon. These projecting orphotographing means are slidably and adjustably mounted on a projecting platform 37. It is obvious, that when the closure 26 is swung upwardly to operative position, the mirror 24 will swing down, and the image magnified by the microscope will be reflected from the mirror 16 out through the opening 14 in the dark chamber 7. If desired the image is thrown on a screen for illustrating purposes, through the means 36 that are associated with the opening 14.

The microscope and double bellows attachment 8 that are connected with the upper end thereof, are of such a height, that it is impractical, to insert the same through the opening 10 in the end of the chamber 4. To allow the insertion and removal of the microscope, the portion 2 in the top of the support 1, is made vertically adjustable, so that this function may be carried out. The movable part 2 is formed with downwardly extending guide flanges 38 and the portion of the flat top of the support 1, to which the movable part is positioned is likewise provided with parallel flanges 89 to guide the movement thereof. The adjacent end edge of the flat top 1 is cut away, and secured thereto is a projecting shaft 40, upon which is mounted a pinion 41 adapted to be locked into inoperative positions by a locking nut 42. Disposed adjacent the pinion 41 is a rack bar 43.- The portion 44 to which the pinion and shaft 40 are secured, forms a slide, the same being provided with projecting tongues, that fits in adjacent grooves, so that the same is slidable vertically therein. Connecting the lower edge of the slide 44 with the bottom surface of the flat top 1 of the support, are a plurality of hingedly connected flat strips 45, the same being pref- -erably three in number, as clearly shown in Fig. 5 of the drawings, the shortest connecting strip, being between the intermediate strip, and the slide 44, and the longest being between the opposite end of the intermediate strip and the lower surface of the table or support. The intermediate strip which is designated by the numeral 46, is connected with the table, by means of a depending bracket 47, which has a transversely extending bar 48 at its lower end, that rests upon the strip 46. The part 2 is provided with a laterally projecting guide 49 on one side edge, that fits in a corresponding recess 50 projecting from one side of the chamber '4 of the casing 3, and clearly shown in Figs. 1 and 6 of the drawings.

In operation, say for instance when the microscope is disposed within the chamber 4, and it is desired to move the same therefrom, the locking nut 42 is released, whereby the pinion is adapted to rotate on the rack 43, and the slide 44 may be'moved downwardly. This will drop the intermediate connecting strip- 46 and allow the part 2 to move downwardly beneath the horizontal plane of the flat top of the support 1. This will lower the microscope, and the bellows 8 are detached from the spring clips 9, and hence when the part 2 has reached the limit of its downward movement, the bellows will be disposed beneath the upper edge of the outlet 10. The base 6 upon which the microscope is mounted, may be then slid back and if it is desired to bring the same once more to the level of the table, the rod 40 is grasped, and lifted whereupon the pinion will slide along the rack 43 and the slide 44. is'moved back to normal position, that is with its upper edge'disposed in a single plane with the flat top. whereupon the part 2 will once more return to normal position in a single plane with the top. The

vertical movementof the sliding part 2 will be guided by the projecting guide 49 that fits the recess portion 50.

This magnifying and projecting apparatus, is especially for use in laboratories, where it is necessary to illustrate minute particles, for instructing pupils. The object is placed beneath the microscope bellows, on the base 6, and when said microscope is positioned in the chamber 4 as has been fully described, and the double bellows 8 are in po-. sition, the image will be reflected therefrom, onto the angularly disposed mirror 16. This mirror is horizontally adjustable, by the means hereinbefore described, so as the image may be centered thereon. the image is directed horizontally through the dark chamber 7, and if the mirror 24 is in cooperative position, as clearly shown in Fig. 2 of the drawings, the ima e will be reflected downwardly through t e outlet 15 onto the fiat top of the support 1. If the From this point device is to beused for tracing, the hood or cover 33 is connected on the side of the device, and the image may be traced, as has been herein described.

When it is however desired to use the device as a photographing or projecting apparatus, the closure 26 is swung to operative position over the outlet 15, and the connection of said closure with the mirror 24 will swing the mirror down parallel therewith, and out of operative relation with the mirror 16. When the parts are so disposed, it

in various planes, according to the purposes,

to which it is desired to use the apparatus. The apparatus may be very easily and 'quickly adjusted to the various uses, and

when it is desired to change the plane in which the image is directed, it is only neces- .sary to swing the closure 26 to operative or inoperativepositions. I d

From the above description taken in con nection with the accompanying drawings, it is thought that a clear and comprehensive understanding of the construction, operation, and advantages of my invention may be had, and while I have shown and described the device as embodying a specific structure, I desire that it be understood that such changes may be made in said structure as do not depart from the spirit and scope of the invention as claimed.

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. An apparatus of the class described including a magnifying device, a dark chamber communicating therewith, said chamber having a pair of openings therein disposed in horizontal and vertical planes, a pair of cooperatively angularly disposed mirrors in said chamber to normally reflect the ima e in a horizontal plane, and one of said m1rrors being movable over the horizontal opening in and out of operative position to permit the image to be reflected in a vertical plane.

2. An apparatus of the class described including a magnifying device, a dark chamber communicating therewith, said chamber having a pair of openings therein, a pair of angularly disposed cooperatively related mirrors in said chamber, a hinged closure for one of; said openings, and aconneetion between the mirror and closure whereby the mirror is moved out of operative position when the closure is moved over the opening.

3. An apparatus of the class described including a magnifying device, a dark chamber communicating therewith, said chamber having a pair of openings therein, a pair of angularly disposed cooperatively related mirrors in said chamber, one of said mirrors being hingedly mounted, a hinged closure for one of the openings, an arm on said closure. and a connecting rod between the arm and hinged mirror for the purpose specified.

4. An apparatus of the class described including a magnifying device, a dark chamber connected therewith having a pair of outlets disposed in difl erent planes, cooperative angularly disposed image reflecting mirrors in said chamber, means to adjust one of said mirrors horizontally to center an image, and the other mirror being swingable whereby the outlet through which the image is adapted to be reflected may be changed.

5. A magnifying and reflecting apparatus of the class described including a support having a flat top, a casing positioned thereon, a magnifying device in said casing on the flat top, the portion of the top on which the magnifying device is adapted to be positioned being vertically adjustable, and means for locking said vertically adjustable portion in various positions.

6. An apparatus of the class described ineluding a magnifying device, a dark chamber communicating therewith provided with a pair of openings arranged in different planes, means in the chamber for reflecting an image through one of the openings, additional reflecting means .normally positioned in an inactive position, and a normally closed cover for the other of the openings and operatively connected with the additional reflecting means for moving such additional reflecting means to coacting relation with the first mentioned reflecting means at the time the closure is moved to an open position so that an image Will be pro-v jected through the normally closed opening.

7. An apparatus of the class described including a magnifying device, a dark chamber communicating therewith and having a pair of openings therein disposed in horizontal and vertical planes, a pair of cooperative angularly disposed and relatively movable mirrors in said chamber for normally reflecting an image through one of these hereto.

SIEGFRIED FIGUEROA. 

